[INFO] fetching crate bencher 0.1.5...
[INFO] building bencher-0.1.5 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate bencher 0.1.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate bencher 0.1.5 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bencher 0.1.5
[INFO] finished tweaking crates.io crate bencher 0.1.5
[INFO] tweaked toml for crates.io crate bencher 0.1.5 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a868999d3522dae86a026af9dc9ca4d4f0eccceba3d1c9875671657dea57e14f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a868999d3522dae86a026af9dc9ca4d4f0eccceba3d1c9875671657dea57e14f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a868999d3522dae86a026af9dc9ca4d4f0eccceba3d1c9875671657dea57e14f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a868999d3522dae86a026af9dc9ca4d4f0eccceba3d1c9875671657dea57e14f", kill_on_drop: false }`
[INFO] [stdout] a868999d3522dae86a026af9dc9ca4d4f0eccceba3d1c9875671657dea57e14f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cae4625a394967a5ed69b7c8cd05882b3fd43dde92fc3a80ec0af4930ef186d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1cae4625a394967a5ed69b7c8cd05882b3fd43dde92fc3a80ec0af4930ef186d", kill_on_drop: false }`
[INFO] [stderr]    Compiling bencher v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> lib.rs:123:20
[INFO] [stdout]     |
[INFO] [stdout] 123 |     DynBenchFn(Box<TDynBenchFn + 'static>),
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TDynBenchFn + 'static`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:220:36
[INFO] [stdout]     |
[INFO] [stdout] 220 |             Some(ref path) => Some(try!(File::create(path))),
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:254:13
[INFO] [stdout]     |
[INFO] [stdout] 254 |             try!(self.write_pretty(verbose));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:262:17
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 try!(stdout.write_all(word.as_bytes()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:271:17
[INFO] [stdout]     |
[INFO] [stdout] 271 |                 try!(stdout.write_all(s.as_bytes()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:300:17
[INFO] [stdout]     |
[INFO] [stdout] 300 |                 try!(self.write_bench());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:322:9
[INFO] [stdout]     |
[INFO] [stdout] 322 |         try!(self.write_plain("\nfailures:\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:335:13
[INFO] [stdout]     |
[INFO] [stdout] 335 |             try!(self.write_plain("\n"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:336:13
[INFO] [stdout]     |
[INFO] [stdout] 336 |             try!(self.write_plain(&fail_out));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:339:9
[INFO] [stdout]     |
[INFO] [stdout] 339 |         try!(self.write_plain("\nfailures:\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:342:13
[INFO] [stdout]     |
[INFO] [stdout] 342 |             try!(self.write_plain(&format!("    {}\n", name)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:352:13
[INFO] [stdout]     |
[INFO] [stdout] 352 |             try!(self.write_failures());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:355:9
[INFO] [stdout]     |
[INFO] [stdout] 355 |         try!(self.write_plain("\ntest result: "));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:358:13
[INFO] [stdout]     |
[INFO] [stdout] 358 |             try!(self.write_pretty("ok"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:360:13
[INFO] [stdout]     |
[INFO] [stdout] 360 |             try!(self.write_pretty("FAILED"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:367:9
[INFO] [stdout]     |
[INFO] [stdout] 367 |         try!(self.write_plain(&s));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:434:18
[INFO] [stdout]     |
[INFO] [stdout] 434 |     let mut st = try!(ConsoleTestState::new(opts));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:444:5
[INFO] [stdout]     |
[INFO] [stdout] 444 |     try!(run_tests(opts, tests, |x| callback(&x, &mut st)));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:421:17
[INFO] [stdout]     |
[INFO] [stdout] 421 |                 try!(st.write_log(&test, &result));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:422:17
[INFO] [stdout]     |
[INFO] [stdout] 422 |                 try!(st.write_result(&result));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:503:5
[INFO] [stdout]     |
[INFO] [stdout] 503 |     try!(callback(TeFiltered(filtered_descs)));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:510:9
[INFO] [stdout]     |
[INFO] [stdout] 510 |         try!(callback(TeWait(b.desc.clone(), b.testfn.padding())));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:512:9
[INFO] [stdout]     |
[INFO] [stdout] 512 |         try!(callback(TeResult(test, result, stdout)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "1cae4625a394967a5ed69b7c8cd05882b3fd43dde92fc3a80ec0af4930ef186d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cae4625a394967a5ed69b7c8cd05882b3fd43dde92fc3a80ec0af4930ef186d", kill_on_drop: false }`
[INFO] [stdout] 1cae4625a394967a5ed69b7c8cd05882b3fd43dde92fc3a80ec0af4930ef186d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ded9be397b344fab304c2b0ade544f5e12fc08ec7f7cd30a01550395aeb823ec
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ded9be397b344fab304c2b0ade544f5e12fc08ec7f7cd30a01550395aeb823ec", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> lib.rs:123:20
[INFO] [stdout]     |
[INFO] [stdout] 123 |     DynBenchFn(Box<TDynBenchFn + 'static>),
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TDynBenchFn + 'static`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:220:36
[INFO] [stdout]     |
[INFO] [stdout] 220 |             Some(ref path) => Some(try!(File::create(path))),
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:254:13
[INFO] [stdout]     |
[INFO] [stdout] 254 |             try!(self.write_pretty(verbose));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:262:17
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 try!(stdout.write_all(word.as_bytes()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:271:17
[INFO] [stdout]     |
[INFO] [stdout] 271 |                 try!(stdout.write_all(s.as_bytes()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:300:17
[INFO] [stdout]     |
[INFO] [stdout] 300 |                 try!(self.write_bench());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:322:9
[INFO] [stdout]     |
[INFO] [stdout] 322 |         try!(self.write_plain("\nfailures:\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:335:13
[INFO] [stdout]     |
[INFO] [stdout] 335 |             try!(self.write_plain("\n"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:336:13
[INFO] [stdout]     |
[INFO] [stdout] 336 |             try!(self.write_plain(&fail_out));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:339:9
[INFO] [stdout]     |
[INFO] [stdout] 339 |         try!(self.write_plain("\nfailures:\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:342:13
[INFO] [stdout]     |
[INFO] [stdout] 342 |             try!(self.write_plain(&format!("    {}\n", name)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:352:13
[INFO] [stdout]     |
[INFO] [stdout] 352 |             try!(self.write_failures());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bencher v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:355:9
[INFO] [stdout]     |
[INFO] [stdout] 355 |         try!(self.write_plain("\ntest result: "));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:358:13
[INFO] [stdout]     |
[INFO] [stdout] 358 |             try!(self.write_pretty("ok"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:360:13
[INFO] [stdout]     |
[INFO] [stdout] 360 |             try!(self.write_pretty("FAILED"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:367:9
[INFO] [stdout]     |
[INFO] [stdout] 367 |         try!(self.write_plain(&s));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:434:18
[INFO] [stdout]     |
[INFO] [stdout] 434 |     let mut st = try!(ConsoleTestState::new(opts));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:444:5
[INFO] [stdout]     |
[INFO] [stdout] 444 |     try!(run_tests(opts, tests, |x| callback(&x, &mut st)));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:421:17
[INFO] [stdout]     |
[INFO] [stdout] 421 |                 try!(st.write_log(&test, &result));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:422:17
[INFO] [stdout]     |
[INFO] [stdout] 422 |                 try!(st.write_result(&result));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:503:5
[INFO] [stdout]     |
[INFO] [stdout] 503 |     try!(callback(TeFiltered(filtered_descs)));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:510:9
[INFO] [stdout]     |
[INFO] [stdout] 510 |         try!(callback(TeWait(b.desc.clone(), b.testfn.padding())));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:512:9
[INFO] [stdout]     |
[INFO] [stdout] 512 |         try!(callback(TeResult(test, result, stdout)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> lib.rs:123:20
[INFO] [stdout]     |
[INFO] [stdout] 123 |     DynBenchFn(Box<TDynBenchFn + 'static>),
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TDynBenchFn + 'static`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:220:36
[INFO] [stdout]     |
[INFO] [stdout] 220 |             Some(ref path) => Some(try!(File::create(path))),
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:254:13
[INFO] [stdout]     |
[INFO] [stdout] 254 |             try!(self.write_pretty(verbose));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:262:17
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 try!(stdout.write_all(word.as_bytes()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:271:17
[INFO] [stdout]     |
[INFO] [stdout] 271 |                 try!(stdout.write_all(s.as_bytes()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:300:17
[INFO] [stdout]     |
[INFO] [stdout] 300 |                 try!(self.write_bench());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:322:9
[INFO] [stdout]     |
[INFO] [stdout] 322 |         try!(self.write_plain("\nfailures:\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:335:13
[INFO] [stdout]     |
[INFO] [stdout] 335 |             try!(self.write_plain("\n"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:336:13
[INFO] [stdout]     |
[INFO] [stdout] 336 |             try!(self.write_plain(&fail_out));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:339:9
[INFO] [stdout]     |
[INFO] [stdout] 339 |         try!(self.write_plain("\nfailures:\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:342:13
[INFO] [stdout]     |
[INFO] [stdout] 342 |             try!(self.write_plain(&format!("    {}\n", name)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:352:13
[INFO] [stdout]     |
[INFO] [stdout] 352 |             try!(self.write_failures());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:355:9
[INFO] [stdout]     |
[INFO] [stdout] 355 |         try!(self.write_plain("\ntest result: "));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:358:13
[INFO] [stdout]     |
[INFO] [stdout] 358 |             try!(self.write_pretty("ok"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:360:13
[INFO] [stdout]     |
[INFO] [stdout] 360 |             try!(self.write_pretty("FAILED"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:367:9
[INFO] [stdout]     |
[INFO] [stdout] 367 |         try!(self.write_plain(&s));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:434:18
[INFO] [stdout]     |
[INFO] [stdout] 434 |     let mut st = try!(ConsoleTestState::new(opts));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:444:5
[INFO] [stdout]     |
[INFO] [stdout] 444 |     try!(run_tests(opts, tests, |x| callback(&x, &mut st)));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:421:17
[INFO] [stdout]     |
[INFO] [stdout] 421 |                 try!(st.write_log(&test, &result));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:422:17
[INFO] [stdout]     |
[INFO] [stdout] 422 |                 try!(st.write_result(&result));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:503:5
[INFO] [stdout]     |
[INFO] [stdout] 503 |     try!(callback(TeFiltered(filtered_descs)));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:510:9
[INFO] [stdout]     |
[INFO] [stdout] 510 |         try!(callback(TeWait(b.desc.clone(), b.testfn.padding())));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> lib.rs:512:9
[INFO] [stdout]     |
[INFO] [stdout] 512 |         try!(callback(TeResult(test, result, stdout)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "ded9be397b344fab304c2b0ade544f5e12fc08ec7f7cd30a01550395aeb823ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ded9be397b344fab304c2b0ade544f5e12fc08ec7f7cd30a01550395aeb823ec", kill_on_drop: false }`
[INFO] [stdout] ded9be397b344fab304c2b0ade544f5e12fc08ec7f7cd30a01550395aeb823ec
